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Developer releases local-first tool to map code change impact across multiple repositories

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A software developer has built and open-sourced a tool called 'Where Am I' to help engineers trace how a single code change ripples across multiple repositories. The MIT-licensed, Node.js-based tool combines Git diffs and static code analysis to generate an interactive, clickable impact graph. It is designed to run entirely locally, ensuring that source code is never uploaded to an external service. The tool identifies relationships between frontend wrappers, backend routes, database calls, API docs, and tests, linking each connection back to a specific file and source line. Released as an early MVP on GitHub, it is intended as supporting evidence during code review rather than a replacement for tests or engineering judgment.

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